Citadela Listing plugin allows you to present also default WordPress Blog Posts on the map. For each blog post, you can define the address and assign it to Categories and Locations, similar to Listing Item Posts.
Additional Post options
In the Post Options meta box, you can set up the address and exact position of the marker on the map.
From the sidebar, on the Post edit screen, you can select Categories and Locations for Post. Thanks to that you can search through posts from specified Category and Location using Posts Search Form block or show blog Posts on the map using Listing Map (for posts) block.